A Simple Measure for Acuity in Medical Images.
IEEE Transactions on Image Processing(2018)
摘要
An automatic and objective assessment of image quality is important in an era, where large-scale processing of imaging data from multi-center studies becomes commonplace. Based on a comprehensive statistical image model that includes noise and blur, a measure for image acuity is derived here as the ratio of the maximal gradient magnitude and the intensity difference at a boundary. Acuity may be af...
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关键词
Image quality,Signal to noise ratio,Biomedical imaging,Noise measurement,Image edge detection,Histograms
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